Best IB Biology Question Banks for HL and SL (2026)

Biology needs more than memorization

The current DP Biology course was first taught from August 2023 and first assessed in May 2025. The IB organizes it through broad themes and levels of organization, while emphasizing experimental work, inquiry, data handling, and communication of scientific knowledge. That combination changes what a useful question bank should provide.

A bank can help you retrieve terminology, but exam performance also depends on interpreting unfamiliar data, linking structure and function, evaluating an investigation, and using precise command-term responses. HL and SL should be kept separate even when the topics overlap, because HL expects greater scope and depth.

Best authority: official IB Biology material

Use the official Biology subject guide, subject brief, specimen papers, released sample papers, and mark schemes available through the IB or your school. They show the assessment language and the level of evidence expected in data-based and extended responses. They are also the best protection against studying a legacy syllabus or treating an unofficial resource as if it represented IB policy.

Official papers are not a complete daily study system. They are finite and valuable, so use one carefully as a diagnostic. Record whether a missed mark came from forgotten content, imprecise terminology, failure to read a graph, weak evaluation, or not answering the command term. Then build practice around the cause.

Biology review should distinguish recall from application. If you forgot a term, retrieve it and use it in a sentence. If you knew the term but missed a data question, practise describing the pattern before explaining the mechanism. If an evaluation answer was vague, identify the limitation, its effect on reliability or validity, and a realistic improvement. This makes each question do a different job instead of turning every session into another memory test.

• Best for: authentic wording, assessment calibration, and final timed practice.
• Not best for: unlimited repetition of one subtopic.
• Remember: independent platforms are not official IB affiliates unless the IB says so.

Best guided digital bank: Revision Village

Revision Village is a good fit for Biology students who want a large online question bank sorted by syllabus concept and difficulty. Its Biology pages describe exam-style questions with mark schemes and video tutorials, plus practice exams and other revision tools. The format is helpful when you understand the broad idea but need to compare several ways an exam can test it, such as photosynthesis data, evolution evidence, gene expression, or ecology.

The video layer is its clearest advantage. A careful walkthrough can show what a complete answer includes and how to read the question's evidence. Still, watch after attempting the question. If you watch first, recognition can feel like recall and you lose the diagnostic value of the mark scheme.

• Best for: digital progression, video explanations, and broad topic coverage.
• Good complement: official papers and your teacher's feedback on extended responses.
• Not best for: a minimal printable workflow or students avoiding subscriptions.

Best notes plus PDFs: Save My Exams

Save My Exams is useful when Biology questions expose a content gap. Its IB Biology resources include revision notes, topic questions and answers, practice papers, and downloadable PDFs written for the course. That suits students who want a quick explanation beside a topic set, especially for dense areas such as cell biology, metabolism, genetics, ecology, and human physiology.

The risk is passive revision. Biology's vocabulary can make rereading feel productive while leaving application untested. Use notes for a short repair, then answer from memory, annotate the data, and compare your response against the mark scheme. Build a list of exact missing terms and relationships, not a second notebook that you never revisit.

• Best for: students who need structured written notes and downloadable question PDFs.
• Useful for: rebuilding knowledge before a topical question set.
• Not best for: students who already know the content and want only fast source filtering.

Best online topical lists: Exam-Mate

Exam-Mate works well for online topical practice. Its Biology topical page describes filtering by topic, paper type, year, and season, with ordered or randomized practice and saved custom lists. That is helpful when you want to compare real questions on one area, then return to the same questions after a delayed retest.

The site says questions are not downloadable, so it is not ideal for printing a Biology worksheet or writing extended responses away from a screen. It also presents official mark schemes alongside AI-generated solutions. Use the official mark scheme as the final reference, and ask a teacher when a long-answer response is difficult to interpret.

Best real-question workflow: PastPaperPrep

PastPaperPrep is designed for the practice stage where Biology students need many relevant questions without losing the source context. The HL and SL banks are separate at /banks/ib-biology-hl and /banks/ib-biology-sl. Topic and source filters let you focus on a weak area, while answers and mark schemes are included where available. Printable sets are useful for writing full definitions, explanations, graph interpretations, and evaluation responses by hand.

The current pricing is $6 per month or $48 per year for one bank; two to five banks start at $10 per month, with $4 per additional bank, or $84 annually for two, with $36 per additional bank; six or more are $25 per month or $216 per year. Check the live product page before buying. PastPaperPrep is not best when your main need is teaching content through notes and videos, flashcards, or an adaptive lesson sequence.

Choose HL or SL and practise the right response

For SL, build confidence in precise definitions, process explanations, data handling, and core experimental skills. For HL, add more unfamiliar data, synthesis across topics, and longer chains of biological reasoning. The question bank should support both knowledge retrieval and the ability to apply that knowledge to a new context.

A useful loop is diagnose, review only the missing content, attempt a topical set, mark every point, and retest later without the topic label. Then sit a mixed or timed paper. Biology is especially vulnerable to memorized answer fragments, so ask whether each sentence uses the evidence in the question and answers the exact command term.

For long responses, practise writing a complete answer before checking the mark scheme. Then underline the biological claim, the evidence or mechanism supporting it, and the conclusion. If one of those is missing, the next question should target that gap rather than sending you back to reread the entire chapter.